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Official data from INPI

BARRAS DETERGENTES.

ConcedidaInvention Patent

Application data

Number

PI8006542

Type

Invention Patent

Filing

10/10/1980

Publication

-

Progress at the INPI

  1. Filing10/10/80
  2. Publication
  3. Examination
  4. Allowance11/10/87
  5. Grant05/31/88
  6. Expired11/14/95

The letters patent expired on 11/14/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V

NL

Unilever N.V.

NL

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Inventors

E. D. (pessoa física)

K. I. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

7935603 · 10/12/1979

GB

8006499 · 02/26/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

11/10/1987

RPI 890

Exigência - art. 36 da LPI

#6.1

05/05/1987

RPI 863

Carta-patente expirada

#21.1

11/14/1995

RPI 1302

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